4(a + 2) + 9 = 5
to solve this problem lets solve this step by step
Step 1 - lets solve this part of problem 4(a + 2 )
by using distributive property we get,
4a + 8 + 9 = 5
Step 2 - adding the like terms
4a + 17 = 5
Step 3 - subtracting 17 from both sides
4a + 17 - 17 = 5 - 17
4a = -12
Step 4 - dividing both sides by 4
a = -3
So our final answer is a = -3
Hope this helps you :)
Mr. Kotter's rentals :
99 + 0.11(x - 100)
for 432 miles...
99 + 0.11(432 - 100) =
99 + 0.11(332) =
99 + 36.52 =
135.52 <==
Barbarino's rentals :
75 + 0.15(x - 150)
for 432 miles...
75 + 0.15(432 - 150) =
75 + 0.15(282) =
75 + 42.30 =
117.30 <==
so the better deal is at Barbarino's rentals <===
when will they cost the same amount....
99 + 0.11(x - 100) = 75 + 0.15(x - 150)
99 + 0.11x - 11 = 75 + 0.15x - 22.50
88 + 0.11x = 52.50 + 0.15x
88 - 52.50 = 0.15x - 0.11x
35.50 = 0.04x
35.50/0.04 = x
887.5 = x <=== they will cost the same at 887.5 miles
2) 2/7 divided 1/3 = 6/7
3) 4/9 times 3/8 = 1/6
4) 5/8 times 2/15 = 1/12
5) 1 divided 3/4 = 1 1/3
6) 1/8 times 8 =1/64
7) 2 1/4 times 1/6 = 3/8
8) 5/8 times 2 2/3 = 1 2/3
9) 1 1/8 times 4 = 4 1/2
10) 2 1/5 divided 11 = 1/5
11) 4 1/2 times 1 1/3 =6
12) 2 1/7 divided 3 3/7
13) 2 2/9 times 7 = 16
Answer:
we have
(-x -5) to the power of 2
we know that
(-x -5) to the power of 2 = (-x -5) x (-x -5)
To multiply two binomial I can use the FOIL method
(-x -5) x (-x -5) = (-x) x (-x) + (-x) x (-5) + (-5) x (-x) + (-5) x (-5)
= X to the power of 2 + 5x +5x + 25
= x to the power of 2 +10x +25
therefore
the answer is
the missing coefficient of the x-term is 10